Title:
Apparatus for casting fillings for teeth
United States Patent 1421988
Inventors:
Richards, William H.
Publication Date:
07/04/1922
Export Citation:
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Assignee:
Richards, William H.
Primary Class:
164/338.1
Other Classes:
164/36, 164/DIG.4
International Classes:
A61C13/20; A61C13/20
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